Supplemental Balance Sheet Information (Details) (USD $) In Millions	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Total inventories
Finished goods and work in progress	$ 250		$ 227
Raw materials	63		63
Total	313		290
Changes in the liability for asset retirement obligations
Balance as of January 1	103	101
Accretion expense	2	2
Foreign Currency Translation	1	0
Balance as of June 30	106	103
Supplemental Balance Sheet Information (Textuals)
Net property, plant and equipment included in other current assets classified as assets held for sale	$ 8		$ 7

A textual description of property, plant and equipment.

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Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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Amount of the Increase or Decrease in the amount of asset retirement obligations for the period associated with foreign currency translation (to the extent that the entity accounts for the foreign currency effects as a separate component of the change in the liability).

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Long-lived assets that are held for sale apart from normal operations and anticipated to be sold in less than one year.

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